Run TAP tests in the
browser from your console using WebDriver. It uses a
Selenium Server to launch and automate
the browsers. The test file must output TAP-compatible output when running in
the browser with console.log.

browsers: The names of the browsers to run the tests in (firefox,
chrome, etc.). Each browser name will be passed to the Selenium Server in
the browserName option when launching the browser. Defaults to firefox.

-w, --watch: Watch the current directory for changes and run tests when
any file changes.

-b, --browserify:
Browserify the source file
before serving to the browser.

-s, --source: Specify the source file that contains the tests. Defaults to
test.js.